[swift-evolution] [Draft] Allow declaration of abstract functions and properties on classes

[Andrey Tarantsov]

On Fri, Feb 26, 2016, at 10:38 PM, Vanderlei Martinelli via swift-evolution wrote:
> I know that structs and protocols are "elegant, simple and powerful"
> (as they seem to be all new frameworks and languages that pop up every
> day on the Internet) and the arguments in favor of composition rather
> than inheritance. But I still would like to take advantage of the
> decades of available knowledge in object orientation in my projects.
>
> +1 for abstract classes and abstract methods.

This.

A.
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